mirror of https://github.com/procxx/kepka.git
131 lines
3.1 KiB
C++
131 lines
3.1 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include "history/history_item_components.h"
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#include "ui/effects/animations.h"
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#include "base/weak_ptr.h"
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class SharedMediaWithLastSlice;
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class UserPhotosSlice;
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struct WebPageCollage;
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namespace Media {
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namespace View {
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class GroupThumbs : public base::has_weak_ptr {
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public:
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struct CollageKey {
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int index = 0;
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inline bool operator<(const CollageKey &other) const {
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return index < other.index;
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}
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};
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struct CollageSlice {
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FullMsgId context;
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not_null<const WebPageCollage*> data;
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int size() const;
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};
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using Key = base::variant<PhotoId, FullMsgId, CollageKey>;
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static void Refresh(
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std::unique_ptr<GroupThumbs> &instance,
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const SharedMediaWithLastSlice &slice,
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int index,
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int availableWidth);
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static void Refresh(
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std::unique_ptr<GroupThumbs> &instance,
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const UserPhotosSlice &slice,
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int index,
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int availableWidth);
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static void Refresh(
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std::unique_ptr<GroupThumbs> &instance,
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const CollageSlice &slice,
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int index,
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int availableWidth);
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void clear();
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void resizeToWidth(int newWidth);
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int height() const;
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bool hiding() const;
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bool hidden() const;
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void checkForAnimationStart();
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void paint(Painter &p, int x, int y, int outerWidth);
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ClickHandlerPtr getState(QPoint point) const;
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rpl::producer<QRect> updateRequests() const {
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return _updateRequests.events();
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}
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rpl::producer<Key> activateRequests() const {
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return _activateStream.events();
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}
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rpl::lifetime &lifetime() {
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return _lifetime;
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}
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using Context = base::optional_variant<
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PeerId,
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MessageGroupId,
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FullMsgId>;
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GroupThumbs(Context context);
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~GroupThumbs();
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private:
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class Thumb;
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template <typename Slice>
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static void RefreshFromSlice(
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std::unique_ptr<GroupThumbs> &instance,
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const Slice &slice,
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int index,
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int availableWidth);
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template <typename Slice>
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void fillItems(const Slice &slice, int from, int index, int till);
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void updateContext(Context context);
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void markCacheStale();
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not_null<Thumb*> validateCacheEntry(Key key);
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std::unique_ptr<Thumb> createThumb(Key key);
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std::unique_ptr<Thumb> createThumb(
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Key key,
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const WebPageCollage &collage,
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int index);
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std::unique_ptr<Thumb> createThumb(Key key, Image *image);
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void update();
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void countUpdatedRect();
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void animateAliveItems(int current);
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void fillDyingItems(const std::vector<not_null<Thumb*>> &old);
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void markAsDying(not_null<Thumb*> thumb);
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void markRestAsDying();
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void animatePreviouslyAlive(const std::vector<not_null<Thumb*>> &old);
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void startDelayedAnimation();
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Context _context;
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bool _waitingForAnimationStart = true;
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Ui::Animations::Simple _animation;
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std::vector<not_null<Thumb*>> _items;
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std::vector<not_null<Thumb*>> _dying;
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base::flat_map<Key, std::unique_ptr<Thumb>> _cache;
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int _width = 0;
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QRect _updatedRect;
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rpl::event_stream<QRect> _updateRequests;
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rpl::event_stream<Key> _activateStream;
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rpl::lifetime _lifetime;
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};
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} // namespace View
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} // namespace Media
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